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From: Anshuman Khandual <anshuman.khandual@arm.com>
To: linux-mm@kvack.org
Cc: Anshuman Khandual <anshuman.khandual@arm.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Tony Luck <tony.luck@intel.com>,
	Fenghua Yu <fenghua.yu@intel.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Andy Lutomirski <luto@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org,
	x86@kernel.org, linux-kernel@vger.kernel.org
Subject: [RFC 0/2] arm64: Enable vmemmap from device memory
Date: Fri, 28 Jun 2019 10:14:41 +0530	[thread overview]
Message-ID: <1561697083-7329-1-git-send-email-anshuman.khandual@arm.com> (raw)

This series enables vmemmap mapping allocation from device memory ranges on
arm64. Before that it enables vmemmap_populate_basepages() to accommodate
struct vmem_altmap based requests.

This series is based on linux next (next-20190613) along with v6 arm64
hot-remove series [1]. 

[1] https://lkml.org/lkml/2019/6/19/3

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-ia64@vger.kernel.org
Cc: x86@kernel.org
Cc: linux-kernel@vger.kernel.org

Anshuman Khandual (2):
  mm/sparsemem: Add vmem_altmap support in vmemmap_populate_basepages()
  arm64/mm: Enable device memory allocation and free for vmemmap mapping

 arch/arm64/mm/mmu.c      | 57 +++++++++++++++++++++++++++++++-----------------
 arch/ia64/mm/discontig.c |  2 +-
 arch/x86/mm/init_64.c    |  4 ++--
 include/linux/mm.h       |  5 +++--
 mm/sparse-vmemmap.c      | 16 +++++++++-----
 5 files changed, 54 insertions(+), 30 deletions(-)

-- 
2.7.4


             reply	other threads:[~2019-06-28  4:45 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-28  4:44 Anshuman Khandual [this message]
2019-06-28  4:44 ` [RFC 1/2] mm/sparsemem: Add vmem_altmap support in vmemmap_populate_basepages() Anshuman Khandual
2019-07-31 16:10   ` Will Deacon
2019-08-01  3:09     ` Anshuman Khandual
2019-06-28  4:44 ` [RFC 2/2] arm64/mm: Enable device memory allocation and free for vmemmap mapping Anshuman Khandual
2019-07-31 16:11   ` Will Deacon
2019-08-01  3:03     ` Anshuman Khandual

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